. >> and then to hollywood, florida. >> are you fired up? >> reporter: mr. obama will travel several thousand miles, stopping in ohio, colorado, wisconsin. today the president enlisted one of the most high profile democrats to fire up voters. former president bill clinton. president obama even borrowing president clinton's campaign song. president clinton slammed romney. >> he's tying himself into knots saying he didn't oppose what he didn't oppose. >> reporter: and obama -- >> we know what change looks like and he ain't it. >> reporter: and president obama confused the former presidents. that ad th that. >> that ad that you have seen that president clinton bankrupted the auto industry so that china could buy it. >> we're in commanding position, but our big challenge new is to make sure that we execute and get our vote out. >> reporter: michelle obama will join the president in iowa for his final event tomorrow night. kristen welker, nbc news, traveling with the president in cincinnati, ohio. >>> meantime tonight mitt romney is barrelling through a few state